Formby Bay Weather Forecast
- 7
- 16
Partly cloudy
- 10
- 15
Partly cloudy
- 7
- 17
Partly cloudy
- 9
- 17
Showers increasing
- 11
- 17
Shower or two
- 9
- 16
Shower or two
- 8
- 16
Shower or two
Today 15 Aug Yorke Peninsula
Partly cloudy. Winds southeasterly 15 to 20 km/h becoming light in the late afternoon then becoming southeasterly 15 to 20 km/h in the evening.
Central Coastal Waters
- Wind
- East to southeasterly about 10 knots increasing to 10 to 15 knots in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system south of the state slowly drifts to the southeast and is forecast to be located in the Tasman Sea on Monday, while extending a ridge over much of South Australia through to Tuesday. A trough of low pressure over Queensland pushes into the far northeast of SA until Monday, as another trough moves into far southwestern parts later on Tuesday and moves southeast across the state into Wednesday.
Formby Bay Temperature Statistics View More
August Temperature
Stenhouse Bay (24km)
Lowest 1 August, 2026
4.5 °CAverage August
12.3 °CHighest 7 August, 2026
19 °C
Climate (2021–2026)
Stenhouse Bay (24km)
Average Low 2021–2026
13.1 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C